if there be pestilence;
 as there had been, for David's numbering the people: 
 blasting;
 or blights, occasioned by the east wind: 
 mildew;
 a kind of clammy dew, which falling on plants, corn corrupts and destroys them, see ( Amos 4:9 ) , 
 locust,
 or 
 if there be caterpillar;
 creatures very pernicious to the fruits of the earth, and cause a scarcity of them, see ( Joel 1:4 ) , 
 if their enemy besiege them in the land of their cities;
 so that they cannot go out to gather the increase of the earth, or till their land: 
 whatsoever plague, whatsoever sickness there be;
 whatever stroke from the hand of God, or what judgment or calamity soever befalls.